+++ /dev/null
-/* $OpenBSD: desktechbus.c,v 1.3 1996/11/23 21:45:32 kstailey Exp $ */
-
-/*
- * Copyright (c) 1996 Per Fogelstrom
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed under OpenBSD by
- * Per Fogelstrom.
- * 4. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
-
-#include <sys/param.h>
-#include <sys/device.h>
-
-#include <machine/cpu.h>
-#include <machine/pio.h>
-#include <machine/autoconf.h>
-
-#include <arc/arc/arctype.h>
-#include <arc/dti/desktech.h>
-
-struct dti_softc {
- struct device sc_dv;
- struct abus sc_bus;
- struct dti_dev *sc_devs;
-};
-
-/* Definition of the driver for autoconfig. */
-int dtimatch(struct device *, void *, void *);
-void dtiattach(struct device *, struct device *, void *);
-int dtiprint(void *, const char *);
-
-struct cfattach dti_ca = {
- sizeof(struct dti_softc), dtimatch, dtiattach
-};
-struct cfdriver dti_cd = {
- NULL, "dti", DV_DULL, NULL, 0
-};
-
-void dti_intr_establish __P((struct confargs *, int (*)(void *), void *));
-void dti_intr_disestablish __P((struct confargs *));
-caddr_t dti_cvtaddr __P((struct confargs *));
-int dti_matchname __P((struct confargs *, char *));
-int dti_iointr __P((void *));
-int dti_clkintr __P((unsigned, unsigned, unsigned, unsigned));
-
-extern int cputype;
-
-/*
- * Interrupt dispatch table.
- */
-struct dti_int_desc int_table[] = {
- {0, dti_intrnull, (void *)NULL, 0 }, /* 0 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 1 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 2 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 3 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 4 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 5 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 6 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 7 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 8 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 9 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 10 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 11 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 12 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 13 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 14 */
- {0, dti_intrnull, (void *)NULL, 0 }, /* 15 */
-};
-
-struct dti_dev {
- struct confargs ps_ca;
- u_int ps_mask;
- intr_handler_t ps_handler;
- void *ps_base;
-};
-#ifdef ACER_PICA_61
-struct dti_dev acer_dti_61_cpu[] = {
- {{ "dallas_rtc",0, 0, },
- 0, dti_intrnull, (void *)PICA_SYS_CLOCK, },
- {{ "lpr", 1, 0, },
- PICA_SYS_LB_IE_PAR1, dti_intrnull, (void *)PICA_SYS_PAR1, },
- {{ "fdc", 2, 0, },
- PICA_SYS_LB_IE_FLOPPY,dti_intrnull, (void *)PICA_SYS_FLOPPY, },
- {{ NULL, 3, NULL, },
- 0, dti_intrnull, (void *)NULL, },
- {{ NULL, 4, NULL, },
- 0, dti_intrnull, (void *)NULL, },
- {{ "sonic", 5, 0, },
- PICA_SYS_LB_IE_SONIC, dti_intrnull, (void *)PICA_SYS_SONIC, },
- {{ "asc", 6, 0, },
- PICA_SYS_LB_IE_SCSI, dti_intrnull, (void *)PICA_SYS_SCSI, },
- {{ "pc", 7, 0, },
- PICA_SYS_LB_IE_KBD, dti_intrnull, (void *)PICA_SYS_KBD, },
- {{ "pms", 8, NULL, },
- PICA_SYS_LB_IE_MOUSE, dti_intrnull, (void *)PICA_SYS_KBD, },
- {{ "com", 9, 0, },
- PICA_SYS_LB_IE_COM1, dti_intrnull, (void *)PICA_SYS_COM1, },
- {{ "com", 10, 0, },
- PICA_SYS_LB_IE_COM2, dti_intrnull, (void *)PICA_SYS_COM2, },
- {{ NULL, -1, NULL, },
- 0, NULL, (void *)NULL, },
-};
-#endif
-
-struct dti_dev *dti_cpu_devs[] = {
- NULL, /* Unused */
-#ifdef ACER_PICA_61
- acer_dti_61_cpu, /* Acer PICA */
-#else
- NULL,
-#endif
-};
-int ndti_cpu_devs = sizeof dti_cpu_devs / sizeof dti_cpu_devs[0];
-
-int local_int_mask = 0; /* Local interrupt enable mask */
-
-int
-dtimatch(parent, cfdata, aux)
- struct device *parent;
- void *cfdata;
- void *aux;
-{
- struct cfdata *cf = cfdata;
- struct confargs *ca = aux;
-
- /* Make sure that we're looking for a PICA. */
- if (strcmp(ca->ca_name, dti_cd.cd_name) != 0)
- return (0);
-
- /* Make sure that unit exists. */
- if (cf->cf_unit != 0 ||
- cputype > ndti_cpu_devs || dti_cpu_devs[cputype] == NULL)
- return (0);
-
- return (1);
-}
-
-void
-dtiattach(parent, self, aux)
- struct device *parent;
- struct device *self;
- void *aux;
-{
- struct dti_softc *sc = (struct dti_softc *)self;
- struct confargs *nca;
- int i;
-
- printf("\n");
-
- /* keep our CPU device description handy */
- sc->sc_devs = dti_cpu_devs[cputype];
-
- /* set up interrupt handlers */
- set_intr(INT_MASK_1, dti_iointr, 2);
-
- sc->sc_bus.ab_dv = (struct device *)sc;
- sc->sc_bus.ab_type = BUS_PICA;
- sc->sc_bus.ab_intr_establish = dti_intr_establish;
- sc->sc_bus.ab_intr_disestablish = dti_intr_disestablish;
- sc->sc_bus.ab_cvtaddr = dti_cvtaddr;
- sc->sc_bus.ab_matchname = dti_matchname;
-
- /* Initialize PICA Dma */
- dtiDmaInit();
-
- /* Try to configure each PICA attached device */
- for (i = 0; sc->sc_devs[i].ps_ca.ca_slot >= 0; i++) {
-
- if(sc->sc_devs[i].ps_ca.ca_name == NULL)
- continue; /* Empty slot */
-
- nca = &sc->sc_devs[i].ps_ca;
- nca->ca_bus = &sc->sc_bus;
-
- /* Tell the autoconfig machinery we've found the hardware. */
- config_found(self, nca, dtiprint);
- }
-}
-
-int
-dtiprint(aux, pnp)
- void *aux;
- const char *pnp;
-{
- struct confargs *ca = aux;
-
- if (pnp)
- printf("%s at %s", ca->ca_name, pnp);
- printf(" slot %ld offset 0x%lx", ca->ca_slot, ca->ca_offset);
- return (UNCONF);
-}
-
-caddr_t
-dti_cvtaddr(ca)
- struct confargs *ca;
-{
- struct dti_softc *sc = dti_cd.cd_devs[0];
-
- return(sc->sc_devs[ca->ca_slot].ps_base + ca->ca_offset);
-
-}
-
-void
-dti_intr_establish(ca, handler, val)
- struct confargs *ca;
- intr_handler_t handler;
- void *val;
-{
- struct dti_softc *sc = dti_cd.cd_devs[0];
-
- int slot;
-
- slot = ca->ca_slot;
- if(slot == 0) { /* Slot 0 is special, clock */
- set_intr(INT_MASK_4, dti_clkintr, 1);
- }
-
- if(int_table[slot].int_mask != 0) {
- panic("dti intr already set");
- }
- else {
- int_table[slot].int_mask = sc->sc_devs[slot].ps_mask;;
- local_int_mask |= int_table[slot].int_mask;
- int_table[slot].int_hand = handler;
- int_table[slot].param = val;
- }
- out16(PICA_SYS_LB_IE, local_int_mask);
-}
-
-void
-dti_intr_disestablish(ca)
- struct confargs *ca;
-{
- struct dti_softc *sc = dti_cd.cd_devs[0];
-
- int slot;
-
- slot = ca->ca_slot;
- if(slot = 0) { /* Slot 0 is special, clock */
- }
- else {
- local_int_mask &= ~int_table[slot].int_mask;
- int_table[slot].int_mask = 0;
- int_table[slot].int_hand = dti_intrnull;
- int_table[slot].param = (void *)NULL;
- }
-}
-
-int
-dti_matchname(ca, name)
- struct confargs *ca;
- char *name;
-{
- return (strcmp(name, ca->ca_name) == 0);
-}
-
-int
-dti_intrnull(val)
- void *val;
-{
- panic("uncaught PICA intr for slot %d\n", val);
-}
-
-/*
- * Handle dti i/o interrupt.
- */
-int
-dti_iointr(val)
- void *val;
-{
- int vector;
-
- while((vector = inb(PVIS) >> 2) != 0) {
- (*int_table[vector].int_hand)(int_table[vector].param);
- }
- return(~0); /* Dont reenable */
-}
-
-/*
- * Handle dti interval clock interrupt.
- */
-int
-dti_clkintr(mask, pc, statusReg, causeReg)
- unsigned mask;
- unsigned pc;
- unsigned statusReg;
- unsigned causeReg;
-{
- struct clockframe cf;
- int temp;
-
- temp = inw(R4030_SYS_IT_STAT);
- cf.pc = pc;
- cf.sr = statusReg;
- hardclock(&cf);
-
- /* Re-enable clock interrupts */
- splx(INT_MASK_4 | SR_INT_ENAB);
-
- return(~INT_MASK_4); /* Keep clock interrupts enabled */
-}
-
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